these letters that were sent to the president of the united states and to senator roger wicker, still on capitol hill today, we saw the hazmat suits were out. we saw hallways were cleared. any suspicious package dropped off, any suspicious letter that made it through the system to get into an office was checked and double-checked. and so we can expect more of that in the days ahead, bill. >> bill: all right, thank you, bill, low grade is the word we are getting here. i don't think it lessens the he severity of the story or the potential crime. you know, if the human being comes in contact with this ricin, it's poison. it can kill you and that was clearly the intent of the person who mailed it. >> greta: low grade is very serious. ricin is -- ricin is k. kill you. this is not weapon niced low great but it can still kill you. i'm not trying to underestimate the seriousness. what we will find tomorrow is this man is a rather bizarre character. most people when they threaten someone don't leave their initials on the threat unless they have got some, you know, unless there is something rea